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All Journal Jurnal Karya Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Matematika Sains dan Teknologi JTAM (Jurnal Teori dan Aplikasi Matematika) JURNAL PENDIDIKAN TAMBUSAI Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya Psychology, Evaluation, and Technology in Educational Research EIGEN MATHEMATICS JOURNAL Indonesian Journal of Education and Mathematical Science Square : Journal of Mathematics and Mathematics Education InPrime: Indonesian Journal Of Pure And Applied Mathematics Jurnal Teknik Industri Terintegrasi (JUTIN) Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi FARABI: Jurnal Matematika dan Pendidikan Matematika Mejuajua MATHunesa: Jurnal Ilmiah Matematika Journal of Fundamental Mathematics and Applications (JFMA) Jurnal Teknologi dan Manajemen Industri Terapan Journal Industrial Engineering and Management (JUST-ME) Journal of Artificial Intelligence and Digital Business Journal of Mandalika Literature JURNAL ILMIAH TEKNIK INDUSTRI DAN INOVASI (JISI) Journal of Engineering and Science Application Jurnal Abdimas Indonesia Jurnal Ilmu Komputer dan Matematika
Ade Ima Afifa Himayati
Universitas Muhammadiyah Kudus
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Journal : journal of engineering and science application

 1 
Application of the K-Means Algorithm for the Grouping of Regional Income Patterns in Kudus Regency Alif Miftachul Nasikhah; Ade Ima Afifa Himayati; Findasari Findasari
Journal of Engineering and Science Application Vol. 3 No. 2 (2026): Mei-Oktober
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/jesa.v3i2.39

Abstract

Regional revenue is one of the indicators of regional financial ability that needs to be analyzed to determine the realization of revenue. Analyses that are still descriptive have not been able to group data based on similar characteristics. This study aims to apply the K-Means algorithm to classify the regional income pattern of Kudus Regency based on monthly income realization data. The research uses a quantitative approach with secondary data in the form of the realization of regional revenue in Kudus Regency in 2020–2024 obtained from the Regional Revenue, Finance, and Asset Management Agency (BPPKAD) of Kudus Regency. Data processing is carried out using the RapidMiner application through the Read Excel, Set Role, Normalize, K-Means Clustering, and Performance stages, The number of clusters is set to three (k = 3). The results of the study showed that the K-Means algorithm succeeded in grouping data into three Cluster 0 clusters consisting of 4 data, namely September, October, November, and December. Cluster 1 consists of 1 data, namely August, while Cluster 2 consists of 7 data, namely January, February, March, April, May, June, and July.  Centroid analysis showed that each cluster had different characteristics, while evaluation using Performance Vector yielded a Davies-Bouldin Index value of -0.444 which showed good grouping results based on the RapidMiner evaluation. The results of this study are expected to be supporting information in the evaluation and planning of regional revenue management in Kudus Regency
Modeling Outpatient Visits Using Poisson and Negative Binomial Regression at Sarkies Aisyiyah Kudus Hospital Nur Hakimah; Ade Ima Afifa Himayati; Findasari Findasari
Journal of Engineering and Science Application Vol. 3 No. 2 (2026): Mei-Oktober
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/jesa.v3i2.50

Abstract

Outpatient visits are an important indicator of healthcare service utilization and play a significant role in hospital service planning and resource management. This study aims to model the number of outpatient visits at Sarkies Aisyiyah Kudus Hospital using Poisson and Negative Binomial regression and to identify the factors influencing outpatient visits. This study used secondary data consisting of 41 daily observations from November 1 to December 12, 2025. The response variable was the daily number of outpatient visits, while the predictor variables were the number of BPJS patients, the number of operating clinics, and the number of doctors on duty. Data analysis was performed using RStudio. The results showed that all three predictor variables had a positive relationship with outpatient visits in the Poisson regression model. However, the overdispersion test produced a dispersion value of 10.04, indicating that the Poisson assumption of equidispersion was not satisfied. The Negative Binomial regression model showed that the number of BPJS patients and the number of clinics had a positive and significant effect on outpatient visits, while the number of doctors had a positive but non-significant effect. The Negative Binomial model provided a better fit, with an AIC of 435.58, compared with 673.48 for the Poisson model. Therefore, the Negative Binomial regression model was selected as the more appropriate model for outpatient visit data at Sarkies Aisyiyah Kudus Hospital.
Co-Authors Achmad Ridwan Achmad Ridwan, Achmad Adriyan Yudhistira Agung Prihandono Alif Miftachul Nasikhah Alisa Apriliani Arlinwibowo, Janu Avira Budianita Azma Rosyida Cikita Berlian Hakim Dhina Cahya Rohim Dina Amalia Fitri Dwi Putra, M. Adib Jauhari Edi Wibowo Suwandi Erik Maurten Firdaus Fathimah Isnina Fatima, Gupita Nadindra Fida Maisa Hana Fifi Endah Irawati Findasari Findasari Findasari Findasari Findasari Harjanti, Agustina Eka Ika Tristanti Ika Tristanti Ilma Nur Hikmah Intan Meila Putri Pertiwi Irma Sari Rahmawati Ivanna Isty Nursani Janu Arlinwibowo Jeki Purnomo Khoiroh Alfiana Khoiroh Alfiana Khoiroh Alfiana, Khoiroh Khoirun Nisak Syifana Lillah, Sabbaha Sinai M. Adib Jauhari Dwi Putra Manggalastawa Manggalastawa Manggalastawa, Manggalastawa Maryatin Maryatin Milad Naufal Akbar Moh Aris Prasetiyanto Muadzah Muadzah Muh Latholiful Minan Muhammad Adib Jauhari Dwi Putra Muhammad Adib Jauhari Dwi Putra Muhammad Aris Prasetyo Muhammad Faudzi Bahari Muhammad Faudzi Bahari Mursidah Mursidah Nuaf Maulana Nugroho Nugraha, Yoga Awalludin Nunung Agus Firmansyah Nunung Agus Firmansyah Nur Alisa Nur Hakimah Nursani, Ivanna Isty Putri Ameliatussholichah Rifqi Azwar Annas Risqi Utami Rosita, Melvin Dewi Rosyida, Azma Saharani, Safira Sakna Binta Munaya Sari, Mita Puspita Sofiarini, Ida Ulil Albab Utami, Risqi Widya Cholid Wahyudin Yeni Zakiyatul Ibriyah Yulisetyaningrum Yunita Nur Afifah Yunus Mustaqim Yunus Mustaqim, Yunus Zulfa Laila Khoirun Nisa